Olson was born on November 5, 1938, in
Rolla, North Dakota. He received a law degree from the
University of North Dakota, where he joined
Lambda Chi Alpha fraternity and served in the
United States Army as a judge advocate general's corps lawyer. In 1967 he served as Chief of Military Justice in
Munich. From 1967 to 1969 he served as the assistant director of the Legislative Research Committee, which directed the state's first study of
surface mining, soil banks, and land reclamation. He entered private practice as an attorney in 1969 with the law firm of Conmy, Rosenberg, Lucas, and Olson. He ran for attorney general of North Dakota in 1972 and served two terms in that position. ==Governor of North Dakota==